/*
* @Author: wanghongfucoder
* @Date:   2017-03-23 09:57:44
* @Last Modified by:   wanghongfucoder
* @Last Modified time: 2017-03-23 10:04:13
*/

public class Context {
	
	private Strategy strategy;

	public Context(Strategy strategy){
		this.strategy=strategy;
	}

	public int executeStrategy(int num1,int num2){
		return strategy.doOperation(num1,num2);
	}
}